//package com.vf.admin.common.socket.sk;
//
//import org.springframework.http.server.ServerHttpRequest;
//import org.springframework.http.server.ServerHttpResponse;
//import org.springframework.http.server.ServletServerHttpRequest;
//import org.springframework.web.socket.WebSocketHandler;
//import org.springframework.web.socket.server.support.HttpSessionHandshakeInterceptor;
//
//import javax.servlet.http.HttpSession;
//import java.util.Map;
//
//public class SpringWebSocketHandlerInterceptor extends HttpSessionHandshakeInterceptor {
//    @Override
//    public boolean beforeHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler wsHandler,
//                                   Map<String, Object> attributes) throws Exception {
//        System.out.println("Before Handshake");
//        if (request instanceof ServletServerHttpRequest) {
//            ServletServerHttpRequest servletRequest = (ServletServerHttpRequest) request;
//            HttpSession session = servletRequest.getServletRequest().getSession(false);
//            if (session != null) {
//                //使用userName区分WebSocketHandler，以便定向发送消息
//                String userName = (String) session.getAttribute("SESSION_USERNAME");  //一般直接保存user实体
//                if (userName!=null) {
//                    attributes.put("WEBSOCKET_USERID",userName);
//                }
//
//            }
//        }
//        return super.beforeHandshake(request, response, wsHandler, attributes);
//
//    }
//
//    @Override
//    public void afterHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler wsHandler,
//                               Exception ex) {
//        super.afterHandshake(request, response, wsHandler, ex);
//        System.out.println("ddddddddddddddddd");
//    }
//
//}